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Finding the Fourth Proportional to 1,452.98, 2,179.56 and 587.29

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Solution

The fourth proportional to 1,452.98, 2,179.56 and 587.29 is: 880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.98 : 2,179.56 = 587.29 : x
  2. Step 2: Convert to fraction form
    1,452.98/2,179.56 = 587.29/x
  3. Step 3: Cross multiply
    1,452.98x = 2,179.56 × 587.29
  4. Step 4: Simplify right side
    1,452.98x = 1,280,033.79
  5. Step 5: Solve for x
    x = 1,280,033.79/1,452.98
  6. Step 6: Final answer
    x = 880.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.